Velleman projects HPS140 User manual - Manual (Page 5)

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Frontpanel
1) Signal and menu display
2) Menu button
- Press briefly for the short menu
- Keep pressed to access the extended menu
3) Up and Down buttons
The up or down buttons are used to change or adjust
a selected parameter
4) Hold
button
Press the Hold button to freeze the waveform on-screen
5) Parameter indicators
Time/div, Trigger mode, AC/DC/GND, Volt/div and
readout
6) Signal position indicators (X and Y scroll bar)
7) Trigger level and slope indicators
8) Last selected function indicator
9) On/Off switch
10) DC input (9V/200mA)
11) BNC input connector : Maximum input 100Vp !
12) Charge LED : Will light when the batteries
are being charged.
13) X10 probe test signal
Charging the oscilloscope
The are several charging options: Use the included USB charger, plugged into a computer USB
port, a mains to USB adaptor, a car 12V to USB adaptor or any USB type socket that can supply
5V/500mA. For measurements during charging, it is strongly advised to use a 9Vdc/min 200mA
mains adaptor.
Charging of completely drained batteries can take up to 7 hours. The charge LED indicator will
light while the scope is charging.
Quick use of the oscilloscope
After turning ON, a start-up screen appears. During this time, some
calibrations are performed, so it can take a few seconds before the
oscilloscope is ready for use.
The scope always starts in full auto set-up mode. This mode can be
used for most
( repetitive ) signals. Set the input coupling to "DC" if
very low frequencies or DC voltages are measured (see further).
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Backside
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